US: 2XL to Europe Size 60-61
Cross-market adult earmuffs and headbands apparel conversion mapping 2XL specifications into 60-61.

Analyzing Size Equivalence Across Markets
US: 2XL: Corresponds to a head circumference baseline of 63.5 (25 ) with a Relaxed / Expanded fit type.
Europe Size 60-61: Corresponds to a head circumference baseline of 61 (24 ) with a Relaxed / Expanded fit type.